Peak behavior and information rates for orthonormal systems

Holger Boche, Brendan Farrell

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

High signal peak values are one of the fundamental obstacles to greater efficiency in wireless communications systems. There exist many techniques to reduce signal peak values; however, there have been few theoretical studies of the trade-off between reducing peak values and the resulting cost in other resources. Here we address the trade-off between peak reduction and information rates for two standard systems, OFDM and DS-CDMA, when implementing tone reservation. In particular, we show that when a peak threshold is strictly enforced regardless of the number of carriers, the information rate must tend to zero. We discuss aspects that these two systems share in common, as well as point out a fundamental way in which they differ.

Original languageEnglish
Title of host publication2013 IEEE 77th Vehicular Technology Conference, VTC Spring 2013 - Proceedings
DOIs
StatePublished - 2013
Event2013 IEEE 77th Vehicular Technology Conference, VTC Spring 2013 - Dresden, Germany
Duration: 2 Jun 20135 Jun 2013

Publication series

NameIEEE Vehicular Technology Conference
ISSN (Print)1550-2252

Conference

Conference2013 IEEE 77th Vehicular Technology Conference, VTC Spring 2013
Country/TerritoryGermany
CityDresden
Period2/06/135/06/13

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